[compiler-rt] r307540 - [tsan] Add a max VM address check for Darwin/AArch64

[Kuba Mracek via llvm-commits]

Author: kuba.brecka
Date: Mon Jul 10 08:24:48 2017
New Revision: 307540

URL: http://llvm.org/viewvc/llvm-project?rev=307540&view=rev
Log:
[tsan] Add a max VM address check for Darwin/AArch64

Differential Revision: https://reviews.llvm.org/D35154


Modified:
    compiler-rt/trunk/lib/tsan/rtl/tsan_platform_mac.cc

Modified: compiler-rt/trunk/lib/tsan/rtl/tsan_platform_mac.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/tsan/rtl/tsan_platform_mac.cc?rev=307540&r1=307539&r2=307540&view=diff
==============================================================================
--- compiler-rt/trunk/lib/tsan/rtl/tsan_platform_mac.cc (original)
+++ compiler-rt/trunk/lib/tsan/rtl/tsan_platform_mac.cc Mon Jul 10 08:24:48 2017
@@ -230,6 +230,14 @@ static void my_pthread_introspection_hoo
 #endif
 
 void InitializePlatformEarly() {
+#if defined(__aarch64__)
+  uptr max_vm = GetMaxVirtualAddress() + 1;
+  if (max_vm != kHiAppMemEnd) {
+    Printf("ThreadSanitizer: unsupported vm address limit %p, expected %p.\n",
+           max_vm, kHiAppMemEnd);
+    Die();
+  }
+#endif
 }
 
 void InitializePlatform() {